Stardust Dragon is one of the servants of the Crimson Dragon, commonly referred to as Signer Dragons.
Yusei Fudo is the Signer associated with Stardust Dragon and as such possesses the "Stardust Dragon" card.
Stardust Dragon also appears in the video game Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia, as a Single Duel opponent. He also appears as a Tag Duel opponent, alongside Dark Paladin in a team called Fusion & Synchro.